A beep is heard together with green light on, and the door is now unlocked.2. After closing the door, press the Power on Button and release, the green light is on and the door is now locked together with a confirmation beep.【1】What must be done first to use the Safe in a right...
题目: [单选题] Please remember ___ the door when you go out.A. closingB. closeC. to closeD. closed 免费查看参考答案及解析 题目: [单选题] ---Who is knocking on the door ---It ___ be the milkman. He sends the milk to me every day.A. should B. can’t C. must D. need ...
When locked, the ring lever is down; when the ring lever is up, it signals by its upright position that the window is unlocked. sill The lower horizontal member of a door or window opening. single-acting door A door mounted to swing to only one side of the plane of its frame. sky...
When you open a door equipped with an EPT, however, there is less twisting happening. The wires must still bend with the motion, but only a fraction of the bending that occurs with an electric hinge. That’s why the rep always recommends EPT’s over electric hinges if the opening is to...
When the door has been opened through the operation of the locking mechanism, including the actuator 129, FIG. 5, it is desirable that lock channel 33 remain in the tilted position until the door is reclosed. Without some mechanism for holding it in this position, it would be easy to man...
Unlocked so that if a person, fleeing into the stairwell during a fire, finds the stairwell full of smoke, they can safely exit the stairwell. Positively latched so that the door will remain latched closed against the spread of the fire. Until there is a need for access control, a ...